Nouns denoting natural phenomena

a short rainstorm accompanied by thunder and lightning
mother lode
the main vein of ore in a deposit
a fluorescence that persists after the bombarding radiation has ceased
chemical process in which one atom or ion or group changes places with another
positive charge
having a deficiency of electrons; having a higher electric potential
a force over an area produced by a pressure difference
continental drift
the gradual movement and formation of continents (as described by plate tectonics)
the organic phenomenon that distinguishes living organisms from nonliving ones
an excited state of a stable particle causing a sharp maximum in the probability of absorption of electromagnetic radiation
a discharge of lightning accompanied by thunder
passage of blood cells (especially white blood cells) through intact capillary walls and into the surrounding tissue
reverse lightning
atmospheric discharges (lasting 10 msec) bursting from the tops of giant storm clouds in blue cones that widen as they flash upward
Coriolis effect
(physics) an effect whereby a body moving in a rotating frame of reference experiences the Coriolis force acting perpendicular to the direction of motion and to the axis of rotation; on Earth the Coriolis effect deflects moving bodies to the right in the northern hemisphere and to the left in the southern hemisphere
sea-level pressure
the atmospheric pressure reduced by a formula to the pressure at sea level
position effect
(genetics) the effect on the expression of a gene that is produced by changing its location in a chromosome
the strength of an electrical current measured in amperes
a thin fog with condensation near the ground
flash flood
a sudden local flood of great volume and short duration
infrared emission
electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves
a single frequency (or very narrow band) of radiation in a spectrum
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